The abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
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English Puritan leader Oliver Cromwell banned Christmas between 1647 and 1660 because he believed such celebrations were immoral for the holiest day of the year.
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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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US scientists calculated that Santa would have to visit 822 homes a second to deliver all the world's presents on Christmas Eve, travelling at 650 miles a second.
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In 1999, residents of the state of Maine in America built the world's biggest ever snowman. He stood at 113ft tall.
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Electric lights for trees were first used in 1895.
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Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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